Rectangular and square HSS

HSS9X9X1/2 HSS228.6X228.6X12.7

Standard: AISC Shapes Database v16.0Source: AISC (aisc.org) — Shapes Database v16.0 (Excel file)
Values published by AISC, in US customary (original) and SI units.
xyb = 9d = 9tdes = 0.465tdes = 0.465
Cross-section, to scaledimensions in inches

Dimensions

Depthd
9in
Widthb
9in
Nominal thicknesstnom
0.5in
Design thicknesstdes
0.465in

Mass and area

Mass per lengthm
55.66lb/ft
Cross-sectional areaA
15.3in²

Strong axis x–x

Moment of inertiaIx
183in⁴
Elastic section modulusSx
40.6in³
Plastic section modulusZx
48.4in³
Radius of gyrationrx
3.45in

Weak axis y–y

Moment of inertiaIy
183in⁴
Elastic section modulusSy
40.6in³
Plastic section modulusZy
48.4in³
Radius of gyrationry
3.45in

Torsion and stability

Torsional constantJ
296in⁴
Torsional modulusC
67.4in³

Slenderness ratios

Wall slendernessb/t
16.4
Wall slendernessh/t
16.4

Equivalents in other standards